3 files changed, 12 insertions, 21 deletions
diff --git a/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp b/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp
index 3329f5c577..034f6f6ece 100644
--- a/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp
+++ b/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp
@@ -817,8 +817,7 @@ void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray,
   int iCurElement = 0;
   int first_code = 0;
   int last_code = 0;
-  uint32_t count = pArray->GetCount();
-  for (uint32_t i = 0; i < count; i++) {
+  for (size_t i = 0; i < pArray->GetCount(); i++) {
     CPDF_Object* pObj = pArray->GetDirectObjectAt(i);
     if (!pObj)
       continue;
@@ -827,8 +826,7 @@ void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray,
       if (width_status != 1)
         return;
 
-      uint32_t count = pArray->GetCount();
-      for (uint32_t j = 0; j < count; j += nElements) {
+      for (size_t j = 0; j < pArray->GetCount(); j += nElements) {
         result.Add(first_code);
         result.Add(first_code);
         for (int k = 0; k < nElements; k++) {
diff --git a/core/fpdfapi/fpdf_font/cpdf_simplefont.cpp b/core/fpdfapi/fpdf_font/cpdf_simplefont.cpp
index 0b4199aac0..b367184e2e 100644
--- a/core/fpdfapi/fpdf_font/cpdf_simplefont.cpp
+++ b/core/fpdfapi/fpdf_font/cpdf_simplefont.cpp
@@ -111,7 +111,6 @@ FX_BOOL CPDF_SimpleFont::LoadCommon() {
     LoadFontDescriptor(pFontDesc);
   }
   CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths");
-  int width_start = 0, width_end = -1;
   m_bUseFontWidth = TRUE;
   if (pWidthArray) {
     m_bUseFontWidth = FALSE;
@@ -121,19 +120,15 @@ FX_BOOL CPDF_SimpleFont::LoadCommon() {
         m_CharWidth[i] = MissingWidth;
       }
     }
-    width_start = m_pFontDict->GetIntegerBy("FirstChar", 0);
-    width_end = m_pFontDict->GetIntegerBy("LastChar", 0);
-    if (width_start >= 0 && width_start <= 255) {
-      if (width_end <= 0 ||
-          width_end >= width_start + (int)pWidthArray->GetCount()) {
+    size_t width_start = m_pFontDict->GetIntegerBy("FirstChar", 0);
+    size_t width_end = m_pFontDict->GetIntegerBy("LastChar", 0);
+    if (width_start <= 255) {
+      if (width_end == 0 || width_end >= width_start + pWidthArray->GetCount())
         width_end = width_start + pWidthArray->GetCount() - 1;
-      }
-      if (width_end > 255) {
+      if (width_end > 255)
         width_end = 255;
-      }
-      for (int i = width_start; i <= width_end; i++) {
+      for (size_t i = width_start; i <= width_end; i++)
         m_CharWidth[i] = pWidthArray->GetIntegerAt(i - width_start);
-      }
     }
   }
   if (m_pFontFile) {
diff --git a/core/fpdfapi/fpdf_font/cpdf_type3font.cpp b/core/fpdfapi/fpdf_font/cpdf_type3font.cpp
index 9f37d4adee..92f5102cdb 100644
--- a/core/fpdfapi/fpdf_font/cpdf_type3font.cpp
+++ b/core/fpdfapi/fpdf_font/cpdf_type3font.cpp
@@ -57,14 +57,12 @@ FX_BOOL CPDF_Type3Font::Load() {
   int StartChar = m_pFontDict->GetIntegerBy("FirstChar");
   CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths");
   if (pWidthArray && (StartChar >= 0 && StartChar < 256)) {
-    uint32_t count = pWidthArray->GetCount();
-    if (count > 256) {
+    size_t count = pWidthArray->GetCount();
+    if (count > 256)
       count = 256;
-    }
-    if (StartChar + count > 256) {
+    if (StartChar + count > 256)
       count = 256 - StartChar;
-    }
-    for (uint32_t i = 0; i < count; i++) {
+    for (size_t i = 0; i < count; i++) {
       m_CharWidthL[StartChar + i] =
           FXSYS_round(pWidthArray->GetNumberAt(i) * xscale * 1000);
     }